20-Piece Metallic Ores Specimen Set

This set of 20 metallic ore samples showcases prominent rock and mineral specimens used in the refinement of raw materials. Each sample measures approximately 1/2 inch (1-2cm) in length and is bagged in a foam-lined box with numbered, neatly arranged spaces. Included ores: asbestos, bauxite, beryl, calcite, chalcopyrite, chromite, corundum, dolomite, feldspar, galena, hematite, laterite, limestone, magnesite, magnetite, psilomelane, pyrite, pyrolusite, rock salt, and sphalerite. Note: this set contains asbestos and lead in minute amounts. Suitable for geology and economic geology lessons demonstrating raw material sources for industrial infrastructure.